Patents by Inventor Soonjae Hwang

Soonjae Hwang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240392184
    Abstract: An organometallic compound represented by Chemical Formula 1, Ir(LA)m(LB)n, and an organic light-emitting diode including the same. The organometallic compound may act as a dopant of a light-emitting layer of the organic light-emitting diode. An operation voltage of the device may be lowered, and luminous efficiency and a lifespan thereof may be improved.
    Type: Application
    Filed: May 14, 2024
    Publication date: November 28, 2024
    Applicants: LG Display Co., Ltd., DuPont Specialty Materials Korea Ltd.
    Inventors: Yoojeong Jeong, Misang Yoo, Hansol Park, Kusun Choung, Soonjae Hwang, Kyoung-Jin PARK, Hyun Kim, Soo-Yong LEE, Samuel KIM
  • Publication number: 20240381758
    Abstract: An organometallic compound represented by Chemical Formula 1, Ir(LA)m(LB)n, and an organic light-emitting diode including the same. The organometallic compound may act as a dopant of a light-emitting layer of the organic light-emitting diode. An operation voltage of the device may be lowered, and luminous efficiency and a lifespan thereof may be improved.
    Type: Application
    Filed: May 7, 2024
    Publication date: November 14, 2024
    Applicants: LG Display Co., Ltd., DuPont Specialty Materials Korea Ltd.
    Inventors: Kusun Choung, Misang Yoo, Hansol Park, Yoojeong Jeong, Soonjae Hwang, Kyoung-Jin PARK, Hyun Kim, Jin Ri HONG, Yeon Gun LEE
  • Publication number: 20240376376
    Abstract: An organometallic compound represented by Chemical Formula 1, Ir(LA)m(LB)n, and an organic light-emitting diode including the same. The organometallic compound may act as a dopant of a light-emitting layer of the organic light-emitting diode. An operation voltage of the device may be lowered, and luminous efficiency and a lifespan thereof may be improved.
    Type: Application
    Filed: May 7, 2024
    Publication date: November 14, 2024
    Applicants: LG Display Co., Ltd., DuPont Specialty Materials Korea Ltd.
    Inventors: Kusun Choung, Misang Yoo, Hansol Park, Yoojeong Jeong, Soonjae Hwang, Kyoung-Jin PARK, Hyun Kim, Jin Ri HONG, Yeon Gun LEE
  • Publication number: 20240360168
    Abstract: An organometallic compound represented by Chemical Formula 1, Ir(LA)m(LB)n, and an organic light-emitting diode including the same. The organometallic compound may act as a dopant of a light-emitting layer of the organic light-emitting diode. An operation voltage of the device may be lowered, and luminous efficiency and a lifespan thereof may be improved.
    Type: Application
    Filed: April 25, 2024
    Publication date: October 31, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Kusun Choung, Hansol Park, Nayeon Lee, Gyuhyeong Kim, Soonjae Hwang
  • Publication number: 20240287113
    Abstract: Disclosed are an organometallic compound represented by Chemical Formula 1, and an organic light-emitting diode containing the same.
    Type: Application
    Filed: January 26, 2024
    Publication date: August 29, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Yoojeong Jeong, Misang Yoo, Hansol Park, Kusun Choung, Soonjae Hwang, Kyoungjin PARK, Hyun KIM, Soo-Yong LEE, Samuel KIM
  • Publication number: 20240287112
    Abstract: Disclosed are an organometallic compound, more particularly, an organometallic compound having phosphorescent properties, and an organic light-emitting diode containing the same. The organometallic compound is represented by Ir(LA)n(LB)3-n, where n is an integer of 1 to 3, LA is a ligand represented by one of Chemical Formula 1-1, Chemical Formula 1-2, and Chemical Formula 1-3, and LB is a bidentate ligand.
    Type: Application
    Filed: January 18, 2024
    Publication date: August 29, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Hansol Park, Misang Yoo, Yoojeong Jeong, Kusun Choung, Soonjae Hwang, Kyoungjin PARK, Hyun KIM, Soo-Yong LEE, Samuel KIM
  • Publication number: 20240284779
    Abstract: Disclosed are an organometallic compound used as a phosphorescent dopant material of a light-emitting layer of an organic light-emitting diode, and the organic light-emitting diode containing the organometallic compound. The organometallic compound is represented by Ir(LA)m(LB)n, where LA is a ligand having a structure represented by Chemical Formula 2, and LB is a bidentate ligand.
    Type: Application
    Filed: January 22, 2024
    Publication date: August 22, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Yoojeong Jeong, Misang Yoo, Hansol Park, Kusun Choung, Soonjae Hwang, Kyoungjin PARK, Hyun KIM, Soo-Yong LEE, Samuel KIM
  • Publication number: 20240284780
    Abstract: An organometallic compound represented by Chemical Formula 1, and an organic light-emitting diode containing the same. In the Chemical Formula 1, Z represents one of O (oxygen), S (sulfur) or Se (selenium), m is 1 or 2, n is an integer from 0 to 2, and X Y is a bidentate ligand.
    Type: Application
    Filed: January 29, 2024
    Publication date: August 22, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Hansol Park, Misang Yoo, Yoojeong Jeong, Kusun Choung, Soonjae Hwang, Kyoungjin PARK, Hyun KIM, Soo-Yong LEE, Samuel KIM
  • Publication number: 20240268214
    Abstract: Disclosed are an organometallic compound used as a phosphorescent dopant material of a light-emitting layer of an organic light-emitting diode, and an organic light-emitting diode containing the same. The organometallic compound is represented by Ir(LA)m(LB)n. An organic light-emitting diode includes a first electrode; a second electrode facing the first electrode; and an organic layer disposed between the first electrode and the second electrode. The organic layer includes a light-emitting layer that contains the organometallic compound disclosed herein.
    Type: Application
    Filed: January 18, 2024
    Publication date: August 8, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Kusun Choung, Misang Yoo, Hansol Park, Yoojeong Jeong, Soonjae Hwang, Kyoungjin PARK, Hyun KIM, Soo-Yong LEE, Samuel KIM
  • Publication number: 20240224784
    Abstract: Disclosed is an organic light-emitting diode including: a first electrode; a second electrode facing the first electrode; and an organic layer disposed between the first electrode and the second electrode; wherein the organic layer includes a light-emitting layer, wherein the light-emitting layer includes a dopant material and a host material, wherein the dopant material includes an organometallic compound represented by Chemical Formula 1, wherein the host material includes a mixture of a compound represented by Chemical Formula 2 and a compound represented by Chemical Formula 3.
    Type: Application
    Filed: November 21, 2023
    Publication date: July 4, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Sungjin PARK, lnbum SONG, Dohan KIM, Jaemin MOON, Seokwoo KANG, Soonjae HWANG
  • Publication number: 20240215285
    Abstract: Disclosed is an organic light-emitting diode including: a first electrode; a second electrode facing the first electrode; and an organic layer disposed between the first electrode and the second electrode; wherein the organic layer includes a light-emitting layer, wherein the light-emitting layer includes a dopant material and a host material, wherein the dopant material includes an organometallic compound represented by Chemical Formula 1, wherein the host material includes a mixture of a compound represented by Chemical Formula 2 and a compound represented by Chemical Formula 3.
    Type: Application
    Filed: November 21, 2023
    Publication date: June 27, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Sungjin PARK, lnbum SONG, Dohan KIM, Jaemin MOON, Seokwoo KANG, Soonjae HWANG
  • Publication number: 20240215435
    Abstract: Disclosed is an organic light-emitting diode including: a first electrode; a second electrode facing the first electrode; and an organic layer disposed between the first electrode and the second electrode; wherein the organic layer includes a light-emitting layer, wherein the light-emitting layer includes a dopant material and a host material, wherein the dopant material includes an organometallic compound represented by a Chemical Formula 1, wherein the host material includes a mixture of a compound represented by a Chemical Formula 2 and a compound represented by a Chemical Formula 3. The organic light-emitting diode has excellent light-emitting efficiency and lifespan.
    Type: Application
    Filed: November 17, 2023
    Publication date: June 27, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Sungjin PARK, lnbum SONG, Dohan KIM, Jaemin MOON, Seokwoo KANG, Soonjae HWANG
  • Publication number: 20240215436
    Abstract: Disclosed is an organic light-emitting diode including: a first electrode; a second electrode facing the first electrode; and an organic layer disposed between the first electrode and the second electrode; wherein the organic layer includes a light-emitting layer, wherein the light-emitting layer includes a dopant material and a host material, wherein the dopant material includes an organometallic compound represented by a Chemical Formula 1, wherein the host material includes a mixture of a compound represented by a Chemical Formula 2 and a compound represented by a Chemical Formula 3. The organic light-emitting diode has excellent light-emitting efficiency and lifespan.
    Type: Application
    Filed: November 17, 2023
    Publication date: June 27, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Seokwoo KANG, lnbum SONG, Dohan KIM, Sungjin PARK, Jaemin MOON, Soonjae HWANG
  • Patent number: 11069288
    Abstract: Disclosed are an organic light emitting display panel and an organic light emitting display device including the same, in which a pixel driving circuit of a subpixel, sharing an anode with a white subpixel, of subpixels configuring a unit pixel is disconnected from the outside of the subpixel.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: July 20, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: SoonJae Hwang, DaeWoong Chun, Sangyoul Lee, Chulwoo Lee
  • Patent number: 10236332
    Abstract: The present disclosure relates to an organic light emitting diode display having high luminescence. The present disclosure suggests an organic light emitting diode display comprising: a data line, a scan line and a driving current line defining a pixel area on a substrate; an anode electrode formed within the pixel area; an additional capacitance formed by overlapping expanded portions of the anode electrode with some portions of the driving current line; a bank defining a light emitting area in the anode electrode; an organic emission layer formed on the anode electrode; and a cathode electrode formed on the organic emission layer. The present disclosure suggests high luminescence organic light emitting diode display by including an additional capacitance for increasing the anode capacitance.
    Type: Grant
    Filed: December 11, 2013
    Date of Patent: March 19, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Kimoon Jung, Soonjae Hwang, Jongsik Shim
  • Patent number: 10163985
    Abstract: A subpixel arrangement structure for a display device includes a plurality of unit pixels each having a red subpixel, a green subpixel, and a blue subpixel. The red, green, and blue subpixels form a delta arrangement. Green subpixels are disposed on a plurality of first subpixel arrangement lines, each of which extends along a direction of a first axis. Two red subpixels and two blue subpixels are alternately disposed along the first axis direction on a plurality of second subpixel arrangement lines. Each of the plurality of second subpixel arrangement lines is positioned between every two of the plurality of first subpixel arrangement lines and extends along the first axis direction.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: December 25, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Soonjae Hwang, Homin Lim, Hanareum Jung, Thomas Lloyd Credelle
  • Publication number: 20180090069
    Abstract: Disclosed are an organic light emitting display panel and an organic light emitting display device including the same, in which a pixel driving circuit of a subpixel, sharing an anode with a white subpixel, of subpixels configuring a unit pixel is disconnected from the outside of the subpixel.
    Type: Application
    Filed: September 28, 2017
    Publication date: March 29, 2018
    Inventors: SoonJae HWANG, DaeWoong CHUN, Sangyoul LEE, Chulwoo LEE
  • Patent number: 9741747
    Abstract: A display device comprising a display panel that includes an active area, the active area including a data line positioned on a substrate in a first direction and transferring a data signal, a gate line positioned on the substrate in a second direction and transferring a gate signal, a thin film transistor connected to the gate line and the data line, and a plurality of pixels driven by the thin film transistor, a first pad coupled to a first signal line disposed in a data signal area wherein the first signal line is connected to the data line, and a first non-signal line disposed in a first non-signal area wherein the first non-signal line is disconnected from the data line, the first non-signal area being disposed outside the data signal area, a second pad coupled to a second signal line disposed in a gate signal area wherein the second signal line is connected to the gate line, and a second non-signal line disposed in a second non-signal area wherein the second non-signal line is disconnected from the gate
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: August 22, 2017
    Assignee: LG DISPLAY CO., LTD.
    Inventors: SoonJae Hwang, DuHwan Oh, HwaDong Han
  • Publication number: 20170141129
    Abstract: A display device comprising a display panel that includes an active area, the active area including a data line positioned on a substrate in a first direction and transferring a data signal, a gate line positioned on the substrate in a second direction and transferring a gate signal, a thin film transistor connected to the gate line and the data line, and a plurality of pixels driven by the thin film transistor, a first pad coupled to a first signal line disposed in a data signal area wherein the first signal line is connected to the data line, and a first non-signal line disposed in a first non-signal area wherein the first non-signal line is disconnected from the data line, the first non-signal area being disposed outside the data signal area, a second pad coupled to a second signal line disposed in a gate signal area wherein the second signal line is connected to the gate line, and a second non-signal line disposed in a second non-signal area wherein the second non-signal line is disconnected from the gate
    Type: Application
    Filed: January 26, 2017
    Publication date: May 18, 2017
    Applicant: LG DISPLAY CO., LTD.
    Inventors: SoonJae HWANG, DuHwan OH, HwaDong HAN
  • Publication number: 20170077191
    Abstract: A subpixel arrangement structure for a display device includes a plurality of unit pixels each having a red subpixel, a green subpixel, and a blue subpixel. The red, green, and blue subpixels form a delta arrangement. Green subpixels are disposed on a plurality of first subpixel arrangement lines, each of which extends along a direction of a first axis. Two red subpixels and two blue subpixels are alternately disposed along the first axis direction on a plurality of second subpixel arrangement lines. Each of the plurality of second subpixel arrangement lines is positioned between every two of the plurality of first subpixel arrangement lines and extends along the first axis direction.
    Type: Application
    Filed: November 28, 2016
    Publication date: March 16, 2017
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Soonjae HWANG, Homin LIM, Hanareum JUNG, Thomas Lloyd CREDELLE